Linn 9000
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The Linn 9000 is an electronic musical instrument manufactured by Linn Electronics as the successor to the LinnDrum. It was introduced in 1984 at a list price of $5,000, and about 1100 units were produced. Wikipedia
Release date: 1984
Keyboard: 18 large (1.25 inch square) velocity and pressure sensitive rubber pads
Price: $5,000 US; ($7,000 fully expanded)